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xenl

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pull/111/merge
Ondřej Hruška 7 years ago
parent 89fca5c40a
commit 04b75b8218
5 changed files with 112 additions and 50 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 14
      html_orig/js/app.js
  2. 14
      html_orig/jssrc/term.js
  3. 2
      user/ansi_parser_callbacks.c
  4. 122
      user/screen.c
  5. 2
      user/screen.h

14
html_orig/js/app.js
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@ -1562,7 +1562,8 @@ var Screen = (function () {
bg: 0,
attrs: 0,
suppress: false, // do not turn on in blink interval (for safe moving)
hidden: false // do not show
hidden: false, // do not show
hanging: false, // xenl
};
var screen = [];
@ -1595,6 +1596,7 @@ var Screen = (function () {
/** Update cell on display. inv = invert (for cursor) */
function _draw(cell, inv) {
if (!cell) return;
if (typeof inv == 'undefined') {
inv = cursor.a && cursor.x == cell.x && cursor.y == cell.y;
}
@ -1696,7 +1698,8 @@ var Screen = (function () {
clearInterval(blinkIval);
blinkIval = setInterval(function () {
cursor.a = !cursor.a;
if (cursor.hidden) {
// TODO try to invent a new way to indicate "hanging" - this is copied from gtkterm
if (cursor.hidden || cursor.hanging) {
cursor.a = false;
}
@ -1755,6 +1758,8 @@ var Screen = (function () {
cursor.fg = num & 0x0F;
cursor.bg = (num & 0xF0) >> 4;
cursor.hidden = !(num & 0x100);
cursor.hanging = !!(num & 0x200);
// console.log("Attributes word ",num.toString(16)+'h');
fg = cursor.fg;
bg = cursor.bg;
@ -1803,6 +1808,11 @@ var Screen = (function () {
}
_drawAll();
if (!cursor.hidden || cursor.hanging) {
// hide cursor asap
_draw(_curCell(), false);
}
}
function _load_labels(str) {

14
html_orig/jssrc/term.js
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@ -10,7 +10,8 @@ var Screen = (function () {
bg: 0,
attrs: 0,
suppress: false, // do not turn on in blink interval (for safe moving)
hidden: false // do not show
hidden: false, // do not show
hanging: false, // xenl
};
var screen = [];
@ -43,6 +44,7 @@ var Screen = (function () {
/** Update cell on display. inv = invert (for cursor) */
function _draw(cell, inv) {
if (!cell) return;
if (typeof inv == 'undefined') {
inv = cursor.a && cursor.x == cell.x && cursor.y == cell.y;
}
@ -144,7 +146,8 @@ var Screen = (function () {
clearInterval(blinkIval);
blinkIval = setInterval(function () {
cursor.a = !cursor.a;
if (cursor.hidden) {
// TODO try to invent a new way to indicate "hanging" - this is copied from gtkterm
if (cursor.hidden || cursor.hanging) {
cursor.a = false;
}
@ -203,6 +206,8 @@ var Screen = (function () {
cursor.fg = num & 0x0F;
cursor.bg = (num & 0xF0) >> 4;
cursor.hidden = !(num & 0x100);
cursor.hanging = !!(num & 0x200);
// console.log("Attributes word ",num.toString(16)+'h');
fg = cursor.fg;
bg = cursor.bg;
@ -251,6 +256,11 @@ var Screen = (function () {
}
_drawAll();
if (!cursor.hidden || cursor.hanging) {
// hide cursor asap
_draw(_curCell(), false);
}
}
function _load_labels(str) {

2
user/ansi_parser_callbacks.c
Unescape View File

@ -284,7 +284,7 @@ apars_handle_CSI(char leadchar, int *params, int count, char keychar)
int n = params[i];
if (n == 0) { // reset SGR
screen_reset_cursor(); // resets colors, inverse and bold.
screen_reset_sgr(); // resets colors, inverse and bold.
}
else if (n >= 30 && n <= 37) screen_set_fg((Color) (n - 30)); // ANSI normal fg
else if (n >= 40 && n <= 47) screen_set_bg((Color) (n - 40)); // ANSI normal bg

122
user/screen.c
Unescape View File

@ -40,6 +40,8 @@ static Cell screen[MAX_SCREEN_SIZE];
static struct {
int x; //!< X coordinate
int y; //!< Y coordinate
bool hanging; //!< xenl state
bool autowrap; //!< Wrapping when EOL
bool insert_mode; //!< Insert mode (move rest of the line to the right)
@ -65,6 +67,8 @@ static struct {
static struct {
int x;
int y;
bool hanging; //!< xenl state
// mark that attrs are saved
bool withAttrs;
u8 attrs;
@ -89,6 +93,8 @@ static volatile int notifyLock = 0;
if (notifyLock == 0) screen_notifyChange(CHANGE_CONTENT); \
} while(0)
#define clear_invalid_hanging() do { if (cursor.hanging && cursor.x != W-1) cursor.hanging = false; } while(false)
/**
* Restore hard defaults
*/
@ -162,15 +168,16 @@ cursor_reset(void)
cursor.x = 0;
cursor.y = 0;
cursor.hanging = false;
cursor.fg = termconf_scratch.default_fg;
cursor.bg = termconf_scratch.default_bg;
cursor.visible = 1;
cursor.autowrap = 1;
cursor.attrs = 0;
cursor.insert_mode = 0;
cursor.visible = true;
cursor.autowrap = true;
cursor.attrs = false;
cursor.insert_mode = false;
cursor.kp_alternate = 0;
cursor.curs_alternate = 0;
cursor.kp_alternate = false;
cursor.curs_alternate = false;
cursor.charset0 = 'B';
cursor.charset1 = '0';
@ -208,7 +215,7 @@ screen_reset(void)
* Reset the cursor
*/
void ICACHE_FLASH_ATTR
screen_reset_cursor(void)
screen_reset_sgr(void)
{
cursor.fg = termconf_scratch.default_fg;
cursor.bg = termconf_scratch.default_bg;
@ -475,6 +482,7 @@ screen_cursor_set(int y, int x)
if (y >= H) y = H - 1;
cursor.x = x;
cursor.y = y;
clear_invalid_hanging();
NOTIFY_DONE();
}
@ -497,6 +505,7 @@ screen_cursor_set_x(int x)
NOTIFY_LOCK();
if (x >= W) x = W - 1;
cursor.x = x;
clear_invalid_hanging();
NOTIFY_DONE();
}
@ -521,6 +530,13 @@ screen_cursor_move(int dy, int dx, bool scroll)
NOTIFY_LOCK();
int move;
clear_invalid_hanging();
if (cursor.hanging && dx < 0) {
dx += 1; // consume one step on the removal of "xenl"
cursor.hanging = false;
}
cursor.x += dx;
cursor.y += dy;
if (cursor.x >= (int)W) cursor.x = W - 1;
@ -549,6 +565,7 @@ screen_cursor_save(bool withAttrs)
{
cursor_sav.x = cursor.x;
cursor_sav.y = cursor.y;
cursor_sav.hanging = cursor.hanging;
cursor_sav.withAttrs = withAttrs;
@ -572,6 +589,7 @@ screen_cursor_restore(bool withAttrs)
NOTIFY_LOCK();
cursor.x = cursor_sav.x;
cursor.y = cursor_sav.y;
cursor.hanging = cursor_sav.hanging;
if (withAttrs) {
cursor.fg = cursor_sav.fg;
@ -628,17 +646,20 @@ screen_set_bg(Color color)
cursor.bg = color;
}
void screen_attr_enable(u8 attrs)
void ICACHE_FLASH_ATTR
screen_attr_enable(u8 attrs)
{
cursor.attrs |= attrs;
}
void screen_attr_disable(u8 attrs)
void ICACHE_FLASH_ATTR
screen_attr_disable(u8 attrs)
{
cursor.attrs &= ~attrs;
}
void screen_inverse_enable(bool ena)
void ICACHE_FLASH_ATTR
screen_inverse_enable(bool ena)
{
cursor.inverse = ena;
}
@ -652,35 +673,40 @@ void screen_inverse_enable(bool ena)
* @param x
* @return OK
*/
bool ICACHE_FLASH_ATTR screen_isCoordValid(int y, int x)
bool ICACHE_FLASH_ATTR
screen_isCoordValid(int y, int x)
{
return x >= 0 && y >= 0 && x < W && y < H;
}
void ICACHE_FLASH_ATTR screen_set_charset_n(int Gx)
void ICACHE_FLASH_ATTR
screen_set_charset_n(int Gx)
{
if (Gx < 0 || Gx > 1) return; // bad n
cursor.charsetN = Gx;
}
void ICACHE_FLASH_ATTR screen_set_charset(int Gx, char charset)
void ICACHE_FLASH_ATTR
screen_set_charset(int Gx, char charset)
{
if (Gx == 0) cursor.charset0 = charset;
if (Gx == 1) cursor.charset1 = charset;
}
void ICACHE_FLASH_ATTR screen_set_insert_mode(bool insert)
void ICACHE_FLASH_ATTR
screen_set_insert_mode(bool insert)
{
cursor.insert_mode = insert;
}
void ICACHE_FLASH_ATTR screen_set_keypad_application_mode(bool app_mode)
void ICACHE_FLASH_ATTR
screen_set_keypad_application_mode(bool app_mode)
{
cursor.kp_alternate = app_mode;
}
void ICACHE_FLASH_ATTR screen_set_cursor_application_mode(bool app_mode)
void ICACHE_FLASH_ATTR
screen_set_cursor_application_mode(bool app_mode)
{
cursor.curs_alternate = app_mode;
}
@ -693,7 +719,8 @@ screen_putchar(const char *ch)
{
NOTIFY_LOCK();
Cell *c = &screen[cursor.x + cursor.y * W];
// clear "hanging" flag if not possible
clear_invalid_hanging();
// Special treatment for CRLF
switch (ch[0]) {
@ -707,23 +734,27 @@ screen_putchar(const char *ch)
case 8: // BS
if (cursor.x > 0) {
if (cursor.hanging) {
cursor.hanging = false;
} else {
cursor.x--;
}
}
// we should not wrap around
// and apparently backspace should not even clear the cell
goto done;
case 9: // TAB
// TODO change to "go to next tab stop"
if (cursor.x<((W-1)-(W-1)%4)) {
c->c[0] = ' ';
c->c[1] = 0;
c->c[2] = 0;
c->c[3] = 0;
do {
screen_putchar(" ");
} while(cursor.x%4!=0);
}
// // TODO change to "go to next tab stop"
// if (cursor.x<((W-1)-(W-1)%4)) {
// c->c[0] = ' ';
// c->c[1] = 0;
// c->c[2] = 0;
// c->c[3] = 0;
// do {
// screen_putchar(" ");
// } while(cursor.x%4!=0);
// }
goto done;
default:
@ -734,6 +765,25 @@ screen_putchar(const char *ch)
}
}
if (cursor.hanging) {
// perform the scheduled wrap if hanging
// if autowrap = off, it overwrites the last char
if (cursor.autowrap) {
cursor.x = 0;
cursor.y++;
// Y wrap
if (cursor.y > H - 1) {
// Scroll up, so we have space for writing
screen_scroll_up(1);
cursor.y = H - 1;
}
cursor.hanging = false;
}
}
Cell *c = &screen[cursor.x + cursor.y * W];
// move the rest of the line if we're in Insert Mode
if (cursor.x < W-1 && cursor.insert_mode) screen_insert_characters(1);
@ -758,19 +808,9 @@ screen_putchar(const char *ch)
cursor.x++;
// X wrap
if (cursor.x >= W) {
if (cursor.autowrap) {
cursor.x = 0;
cursor.y++;
// Y wrap
if (cursor.y > H - 1) {
// Scroll up, so we have space for writing
screen_scroll_up(1);
cursor.y = H - 1;
}
} else {
cursor.hanging = true; // hanging - next typed char wraps around, but backspace and arrows still stay on the same line.
cursor.x = W - 1;
}
}
done:
NOTIFY_DONE();
@ -1000,7 +1040,9 @@ screenSerializeToBuffer(char *buffer, size_t buf_len, void **data)
encode2B((u16) (
cursor.fg |
(cursor.bg<<4) |
(cursor.visible ? 1<<8 : 0))
(cursor.visible ? 1<<8 : 0) |
(cursor.hanging ? 1<<9 : 0)
)
, &w5);
// H W X Y Attribs

2
user/screen.h
Unescape View File

@ -153,7 +153,7 @@ void screen_cursor_set_x(int x);
/** Set cursor Y position */
void screen_cursor_set_y(int y);
/** Reset cursor attribs */
void screen_reset_cursor(void);
void screen_reset_sgr(void);
/** Relative cursor move */
void screen_cursor_move(int dy, int dx, bool scroll);
/** Save the cursor pos */

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